# Weave | Knowledge Base | Instagit

ML to quantify engineering

---

## Repositories

### [router](/workweave/router)

Model router for agentic systems. Routes every prompt to the right model in <50ms. Cut costs 40-70% with just an endpoint change.

- 23 articles | 3.1k stars
- Tags: deep-dive, api-reference, how-to-guide, architecture, internals, performance